难点

How to use conjunctions correctly in English writing is difficult for Chinese students.

在英语写作中如何正确使用连词是中国学生学习英语的难点之一。

The paper, based on the errors of pronunciation on the level of segmental phonemes by students of Beijing University of Physical Education,isolated and discussed the most difficult phonemes for students to acquire through a contrastive study of the consonantal and vowel phonemes in English and Chinese Putonghua .

在调查北京体育大学学生英语语音发育错误的基础上，分析学生在音素水平上的语音错误以及受汉语影响较大的语音难点，提出了纠正错误发音的方法，并就体育大学学生的基础英语教学提出了个人的建议。

The temperature detection and control is the key point and the difficulty of the control system.

其中温度的检测与控制，是控制系统的重点和难点。

Based on the demand analysis of real system, the problems and difficulties in structure and control areas of system design are presented.

针对实际系统的需求分析，提出了系统设计中的结构方面和控制方面的一些问题和难点。

In the process of developing, the design of control system was the crux of project.

在研制的过程中，控制系统的设计是整个项目的难点。

This paper is devoted to analyzing and improving the cloud and convective parameterizations.

鉴于前两者是目前国际上的难点，文中针对第3个方面的可能原因进行了分析和相应的改进。

As the conversion device, turbine is the key component of tidal current energy technologies. Ongoing research is focused on its structure, power mechanisms, and performance optimization.

潮流水轮机作为获取海洋潮流能的能量转换装置，是潮流能开发利用的关键，其结构原理、动力机制以及性能优化是研究的重点和难点。

We combine two typical kernel functions by means of convex combination. The weighting coefficient and other kernel parameters are optimized by an improved GA.

具体地说，本文主要有以下几个创新点：1、适当核函数的选择和核参数的优化一直是核方法应用的关键和难点。

In addition, their significance of cultural conveyance is elaborated in thesis.

再次文章对中菜命名的类型，文化内涵，以及英译的难点进行了分析，指出其存在的问题，着重论述了翻译中文化因素的重要性。

The ecological economy growing coordinately is the foundation of the sustainable development.

生态经济协调发展是可持续发展的基础，定量评估生态与经济协调发展状况是生态经济学的难点，利用生态足迹模型对贵州喀斯特地区生态经济状态进行定量评估。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷